Amentum (NYSE:AMTM) has been selected by the U.S. Department of Energy’s National Nuclear Security Administration (NNSA) to enter negotiations for a phased lease to develop one of the nation’s largest integrated artificial intelligence and energy infrastructure projects at the Savannah River Site (SRS) in South Carolina. Once finalized, the public-private project would establish a 1-gigawatt artificial intelligence data center supported by approximately 2 gigawatts of on-site energy generation, initially powered by natural gas bridging to advanced nuclear energy.